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21-letter words containing a, c, o, e, n, s

  • registration document — a document giving identification details of a motor vehicle, including its manufacturer, date of registration, engine and chassis numbers, and owner's name
  • relaxation oscillator — a nonsinusoidal oscillator, the timing of which is controlled by the charge and discharge time constants of resistance and capacitance components
  • rocky mountain oyster — mountain oyster.
  • rutherford scattering — the scattering of an alpha particle through a large angle with respect to the original direction of motion of the particle, caused by an atom (Rutherford atom) with most of the mass and all of the positive electric charge concentrated at a center or nucleus.
  • s-k reduction machine — An abstract machine defined by Professor David Turner to evaluate combinator expressions represented as binary graphs. Named after the two basic combinators, S and K.
  • sales finance company — a finance company that purchases, at a discount, installment contracts from dealers or that finances retail sales.
  • sao bernardo do campo — a city in SE Brazil, SE of São Paulo.
  • sao tome and principe — Democratic Republic of, a republic in W Africa, comprising the islands of São Tomé and Príncipe, in the Gulf of Guinea, N of the equator: a former overseas province of Portugal; gained independence in 1975. 372 sq. mi. (964 sq. km). Capital: São Tomé.
  • saponification number — the number of milligrams of potassium hydroxide required to saponify one gram of a given ester, especially a glyceride.
  • satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
  • saving your reverence — a form of apology for using an obscene or taboo expression
  • scarlet monkey flower — any of various plants belonging to the genus Mimulus, of the figwort family, as M. cardinalis (scarlet monkey flower) having spotted flowers that resemble a face.
  • schema definition set — (SDS) Something in Portable Common Tool Environment.
  • schlieren photography — a type of photography which records schlieren
  • scintillation counter — a device for detecting and measuring radioactivity, having a crystal scintillator, a photoelectric cell sensitive to the light from scintillations, and an amplifier.
  • seating accommodation — the provision of seats for people in a room, building, etc
  • second-hand endowment — A second-hand endowment is a traditional with-profits endowment policy that has been sold to a new owner part way through its term.
  • secondary containment — Secondary containment is a system for dealing with hazardous spills.
  • self-characterization — portrayal; description: the actor's characterization of a politician.
  • sentential connective — any of several words or their equivalent symbols used in logical formulas to connect propositions, as “or,” “not,” “and,” “if and only if.”.
  • seventeen-year locust — a cicada, Magicicada septendecim, of the eastern U.S., having nymphs that live in the soil, usually emerging in great numbers after 17 years in the North or 13 years in the South.
  • sheppard's correction — a method of correcting the bias in standard deviations and higher moments of distributions that arises from grouping values of the variable.
  • sick to one's stomach — afflicted with ill health or disease; ailing.
  • silicon tetrachloride — a colorless, fuming liquid, SiCl 4 , used chiefly for making smoke screens and various derivatives of silicon.
  • silicon tetrafluoride — a colorless, fuming gas, SiF 4 , used chiefly in the manufacture of fluosilicic acid.
  • simple actor language — (language)   (SAL) A minimal actor language, used for teaching in:
  • sinusoidal projection — an equal-area projection in which parallels are straight lines spaced at regular intervals, the central meridian is a straight line one-half the length of the equator, and the other meridians are curves symmetrical to the central meridian.
  • siren call/siren song — A siren call or siren song is the appeal that something has although it is harmful or dangerous.
  • social inquiry report — (in Britain) a report on a person and his or her circumstances, which may be required by a court before sentencing and is made by a probation officer or a social worker from a local authority social services department
  • somatotrophic-hormone — a hormone secreted by the anterior pituitary gland, that stimulates growth in humans.
  • south pacific current — an ocean current that flows E in the South Pacific Ocean parallel to the Antarctic Circumpolar Current.
  • special correspondent — a journalist who covers stories firsthand from a war zone
  • spherical coordinates — Usually, spherical coordinates. any of three coordinates used to locate a point in space by the length of its radius vector and the angles this vector makes with two perpendicular polar planes.
  • stabilization-process — the act or process of stabilizing or the state of being stabilized.
  • stare one in the face — to be glaringly obvious or imminent
  • stations of the cross — a series of 14 crosses, often accompanied by 14 pictures or carvings, arranged in order around the walls of a church, to commemorate 14 supposed stages in Christ's journey to Calvary
  • statutory declaration — a declaration made under statutory authority before a justice of the peace or commissioner for oaths which may in certain cases be substituted for a statement on oath
  • stick in one's throat — to be difficult, or against one's conscience, for one to accept, utter, or believe
  • stock list department — (in an American stock exchange) the department dealing with monitoring compliance with its listing requirements and rules
  • stop loss reinsurance — Stop loss reinsurance is a form of reinsurance under which the reinsurer pays the cedant's losses in any year over a particular percentage of the earned premium.
  • strategic air command — a U.S. Air Force command charged with intercontinental air strikes, especially nuclear attacks.
  • student participation — the extent to which students participate or involve themselves in a class, course, etc
  • subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
  • subsistence allowance — money given in advance to a new soldier, employee, etc., to buy food, clothing, and pay for other necessities while awaiting a first pay.
  • substitution instance — an expression so derived from another
  • substitution reaction — the replacement of an atom or group of atoms in a compound by another atom or group.
  • suction and curettage — a technique involving extraction of the fetus through a suction tube, used to perform abortions during the early stages of pregnancy.
  • sun protection factor — SPF.
  • sunday school teacher — someone who teaches at a Sunday school
  • supergranulation cell — one of a number of large convection cells in the photosphere and chromosphere of the sun, each having a diameter of 10,000–20,000 miles (16,000–32,000 km) and lasting longer than a day.
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